Shares of some top railroad companies are mixed at 10 a.m.:

CSX unchanged at $30.77.

Canadian National Railway Co. fell $.17 or .2 percent, to $71.44.

Canadian Pacific Railway Ltd. fell $.23 or .1 percent, to $200.13.

Kansas City Southern fell $.04 or percent, to $114.35.

Norfolk Southern Corp. rose $.01 or percent, to $106.59.

Union Pacific fell $.13 or .1 percent, to $104.91.